GPS Data to ArcView
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Transcript of GPS Data to ArcView
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Bringing Garmin GPS Data
Into ArcView 3.2
with DNRGarmin
John Q. MurrayMurray Information Services, Inc.
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Download the software
Available from http://www.dnr.state.mn.us/
mis/ gis/ tools/ arcview/ extensions/
DNRGarmin/ DNRGarmin.html
A copy is also available on
http://www.murrayinfo.com/ gis-course
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Install the DNRGarmin extension
Unzip the file DNRGarmin_Setup
Run the Setup program
Copy the .exe file to the directory:
esri/av_gis30/arcview/bin32
Copy the .avx file to the directory:
esri/av_gis30/arcview/ext32
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Start ArcView 3.2, and select the
DNRGarmin extension Make the
extension
available to yourArcView project
A new menu for
DNRGarmin iscreated
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Set the default projection
From the DNR
Garmin menu,
select the SetProjection
command
Set the default
projection toState Plane 1983
Select Montana
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Open the Garmin GPS
From the DNR
Garmin menu,
select OpenGarmin GPS
The following
dialog isdisplayed:
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Connect the GPS unitVerify the data cable
is connected to the
computer
You may need tochange the settings
at Assign Port
Status changes from
Not connected to
Connected
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Download waypoints
From the Waypoint
menu, select the
command Download
A small dialog displays
when it is complete
Click the Advanced
button to see more
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You can edit the points
Delete points
that you do
not want inyour shapefile
Select the
points, thenclick on the X
button
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Save the points as a shapefile
From the File
menu, select
Save As andselect ArcView
Shapefile
Specify a filename
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ArcView adds the waypoints
The shapefile appears in the views table ofcontents; click to make it visible
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The GPS points are projected
The theme uses the default projection that we set
to Montana State Plane (meters)
You can also use the Projection Utility if needed
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Download the track data
From the Trackmenu, clickDownload
A messagedisplays thenumber ofrecordssuccessfullytransferred fromGPS to PC
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Save the track as a line theme
From the File
menu, select
Save As and
ArcViewShapefile
In the Output
Shape dialog,
select Line
and click OK
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Create a new shapefile
Add the tracksas a NewShapefile
Click OK
Specify theshapefile name
Click OK
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Add the shapefile as a new theme
From the View menu, select Add theme
From the Add Theme dialog, select thenewly-created file, click OK to add the tracktheme to the view
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The new shapefile is displayed
(my route this morning along I-90 to the
Sidetrack Caf in Alberton for breakfast)
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Close the DNRGarmin extension
All data is
present in
shapefile format From the File
menu, select
Exit
